The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-220-0193, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 — Screws (FSG 53) |
| Manufacturers | Fastener Innovation Technology, Inc. Dba F I T (CAGE 58998); Howmet Global Fastening Systems Inc. Div Tridair Products (CAGE 29372) |
| Parameter | Value |
|---|---|
| NSN | 5305-01-220-0193 |
| Primary Part Number | CA21070-6-4HS |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GS520CK6-04 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| CA21070-6-4HS PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| GS520CK6-04 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5305-01-220-0193 is a Screw,cap,socket Head, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-220-0193 has 2 manufacturer part numbers on file: GS520CK6-04 (Fastener Innovation Technology, Inc. Dba F I T), CA21070-6-4HS (Howmet Global Fastening Systems Inc. Div Tridair Products).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.